Dough-Nutty is a 1927 Felix the Cat short produced by Pat Sullivan.
Plot[]
Felix tries to get adopted by a marketing man who’s trying to invent a new form of doughnut. The man at first shuns Felix as unlucky (i. e. black cats), but then gets him to help him in his quest. In trying to find a shape for the doughnut, Felix gets lost in a maze and is still there at cartoon’s end.